Home / 26,181.52-36,118.56-15,565.12

Finding the Fourth Proportional to 26,181.52, 36,118.56 and 15,565.12

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Solution

The fourth proportional to 26,181.52, 36,118.56 and 15,565.12 is: 21,472.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,181.52 : 36,118.56 = 15,565.12 : x
  2. Step 2: Convert to fraction form
    26,181.52/36,118.56 = 15,565.12/x
  3. Step 3: Cross multiply
    26,181.52x = 36,118.56 × 15,565.12
  4. Step 4: Simplify right side
    26,181.52x = 562,189,720.63
  5. Step 5: Solve for x
    x = 562,189,720.63/26,181.52
  6. Step 6: Final answer
    x = 21,472.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.